13806860530 chenghaowang@longjin.asia
LJWenzhou Longjin Fastener Co., Ltd.

Aluminum Profile Fasteners

Standard and custom fastening solutions from an experienced manufacturer

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About Us

FactoryProducts

Founded in 2017, Wenzhou Longjin Fastener Co., Ltd. specializes in the R&D, manufacturing and sales of aluminum profile fasteners and accessories. Equipped with advanced CNC machining centers and strict quality control systems, we provide high-quality standard and custom fastener products to customers worldwide. We are capable of providing 100% full inspection services for Japanese clients, meeting the most stringent quality standards. With complete foreign trade qualifications, our export business covers Japan, Vietnam, Saudi Arabia, Taiwan and more.

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Custom Solutions

Custom non-standard fasteners per your drawings

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Quality Control

Rigorous inspection process ensuring product quality

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Fast Delivery

Efficient production capacity for quick turnaround

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Global Network

Products exported to countries worldwide

Products

Covering 14 categories of aluminum profile fasteners

T-Slot Nut#1

T-Slot Nut

EU/CN standard, Model 2030/4045, M3-M8, Carbon Steel / 304 SS

Slide-in Nut#2

Slide-in Nut

EU/CN standard, Model 2030/4045, M3-M10, Carbon Steel / 304 SS

Spring Nut#3

Spring Nut

EU/CN standard, Model 2030/4045, M3-M8, Carbon Steel / 304 SS

Half-round Nut#4

Half-round Nut

EU standard, Model 3040, M4-M8, Carbon Steel / 304 SS

Spring Plate Nut#5

Spring Plate Nut

EU/CN standard, Model 2030/4045, M3-M8, Carbon Steel / 304 SS

Straight Connector#6

Straight Connector

EU standard, Model 2030/4045, M5-M8, Carbon Steel / 304 SS

Single Spring Nut#7

Single Spring Nut

CN standard, Model 3040/45, M3-M8, Carbon Steel / 304 SS

T-Bolt#8

T-Bolt

EU/CN standard, Model 2030/4045, M5-M10, Carbon Steel / 304 SS

Flange Nut#9

Flange Nut

M5-M10, Carbon Steel / 304 SS

Corner Bracket#10

Corner Bracket

Model 2030/4045/6080, Carbon Steel / 304 SS

Corner Joint#11

Corner Joint

EU/CN standard, Model 2030/4045, M4-M8, Carbon Steel / 304 SS

Spring Clip#12

Spring Clip

Model 3040, Carbon Steel / 304 SS

Adjustable Door Stop#13

Adjustable Door Stop

Model 3040/45, Carbon Steel / 304 SS

Whistle Connector#14

Whistle Connector

Model 2030/40, M4-M8, Carbon Steel / 304 SS

Product Specifications

No.ProductStandardModelMaterialSurface
1T-Slot NutEU/CN2030/4045 M3-M8Carbon Steel / 304 Stainless SteelNickel Plated / Natural
2Slide-in NutEU/CN2030/4045 M3-M10Carbon Steel / 304 Stainless SteelNickel Plated / Natural
3Spring NutEU/CN2030/4045 M3-M8Carbon Steel / 304 Stainless SteelNickel Plated / Natural
4Half-round NutEU3040 M4-M8Carbon Steel / 304 Stainless SteelNickel Plated / Natural
5Spring Plate NutEU/CN2030/4045 M3-M8Carbon Steel / 304 Stainless SteelNickel Plated / Natural
6Straight ConnectorEU2030/4045 M5-M8Carbon Steel / 304 Stainless SteelNickel Plated / Natural
7Single Spring NutCN3040/45 M3-M8Carbon Steel / 304 Stainless SteelNickel Plated / Natural
8T-BoltEU/CN2030/4045 M5-M10Carbon Steel / 304 Stainless SteelNickel Plated / Natural
9Flange Nut-M5-M10Carbon Steel / 304 Stainless SteelNickel Plated / Natural
10Corner Bracket-2030/4045/6080Carbon Steel / 304 Stainless SteelNickel Plated / Natural
11Corner JointEU/CN2030/4045 M4-M8Carbon Steel / 304 Stainless SteelNickel Plated / Natural
12Spring Clip-3040Carbon Steel / 304 Stainless SteelNickel Plated / Natural
13Adjustable Door Stop-3040/45Carbon Steel / 304 Stainless SteelNickel Plated / Natural
14Whistle Connector-2030/40 M4-M8Carbon Steel / 304 Stainless SteelNickel Plated / Natural

Applications

Widely applied across multiple industries

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Automated Production Lines

Reliable aluminum profile connection solutions for automation

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All-Aluminum Furniture

Aluminum profile furniture assembly fittings, eco-friendly

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Industrial Storage Racks

Warehouse racking aluminum profile fastening

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Solar Photovoltaic

PV mounting bracket aluminum profile installation solutions

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Exhibition Halls

Quick-assembly aluminum profile exhibition structures

Past Cases

Trusted quality and service

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Japan Full Inspection

Capable of providing 100% full inspection for Japanese clients, strictly following Japanese industrial standards to ensure every product meets the highest quality requirements.

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Complete Export Credentials

Fully qualified import/export certifications enabling compliant international trade services for global clients with professional and efficient export processes.

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Long-term Partners

Established stable long-term partnerships with clients in Japan, Vietnam, Saudi Arabia, Taiwan and other regions with high customer satisfaction.

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More partnership cases coming soon...

Contact Us

Feel free to call or send an inquiry email

Phone

13806860530

Email

chenghaowang@longjin.asia

WhatsApp

chenghaowang

Address

Wenzhou, Zhejiang, China